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STC12C2052 Datasheet(PDF) 6 Page - List of Unclassifed Manufacturers

Part No. STC12C2052
Description  STC12C2052AD
Download  71 Pages
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Manufacturer  ETC1 [List of Unclassifed Manufacturers]
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STC12C2052 Datasheet(HTML) 6 Page - List of Unclassifed Manufacturers

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宏晶科技:www.MCU-Memory.com   Mobile:13922805190(姚永平)   Tel:0755-82948409    Fax: 0755-82944243
宏晶科技:专业单片机 / 存储器供应商   www.MCU-Memory.com   STC12C2052AD 系列 1T 8051 单片机中文指南
8
R2IN
R2OUT
9
0.1uF
2
V+
GND 15
1
C1+
Vcc 16
Vcc
3
C1-
T1OUT 14
5
C2-
R1OUT 12
6
V-
T1IN
11
7
T2OUT
T2IN 10
PC_RxD (COM Pin2)
4
C2+
R1IN 13
PC_TxD (COM Pin3)
Gnd
PC / 电脑 串口
  STC3232,STC232,MAX232,SP232
U1-P1.0
U1-P1.1
MCU-VCC
U1-P3.0
U1-P3.1
GND
USB+5V T1OUT
GND
R1IN
USB1
1  RST                         VCC  20
2  RxD/P3.0        P1.7/SCLK/ADC7  19
3  TxD/P3.1       P1.6/MISO/ADC6  18
4  XTAL2           P1.5/MOSI/ADC5  17
6  INT0/P3.2            P1.3/ADC3  15
7  INT1/P3.3            P1.2/ADC2  14
8  ECI/T0/P3.4          P1.1/ADC1  13
9  PWM1/PCA1/T1/P3.5   P1.0/ADC0  12
10  Gnd             P3.7/PCA0/PWM0  11
5  XTAL1             P1.4/SS/ADC4  16
1K
1K
Vcc
Power On
SW1
电源开关
USB +5V
    STC 单片机 典型应用电路(STC12C2052AD 系列)
10K
10μF
C1
R1
33pF
33pF
关于复位电路:C1 可不用
                  ---- 通过 RS-232 转换器连接电脑就可以下载程序
通过电脑端的
STC-ISP 软件
控制下载
“用户程序”
到 STC 单片机
    用户在自己的目标系统上,如将 P3.0/P3.1 经过 RS-232 电平转换器 转换后连接到电
脑的普通 RS-232 串口,就可以在系统编程 / 升级用户软件。建议如果用户板上无 RS-232
电平转换器,应引出一个插座,含 Gnd / P3.1 / P3.0 / Vcc 四个信号线,当然如能引出
Gnd / P3.1 / P3.0 / Vcc / P1.1 / P1.0 六个信号线为最好,这样就可以在用户系统上
直接编程了。关于 ISP 编程的原理及应用指南详见“STC12C2052AD 系列单片机 ISP 编程
原理  使用说明”部分。另外我们有标准化的编程下载工具,用户可以在上面编程后再
插到目标系统上,也可以借用它上面的RS-232电平转换器连接到电脑,以做下载编程之用。
编程一个芯片大致需2秒到3秒钟,速度比普通的通用编程器快很多,故无须买通用编程器。


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